Move shared files in net/quic/ into net/quic/core/

components/domain_reliability/quic_error_mapping.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_DOMAIN_RELIABILITY_QUIC_ERROR_MAPPING_H_
 #define COMPONENTS_DOMAIN_RELIABILITY_QUIC_ERROR_MAPPING_H_
 
 #include <string>
 
-#include "net/quic/quic_protocol.h"
+#include "net/quic/core/quic_protocol.h"
 
 // N.B. This file and the .cc are separate from util.h/.cc so that they can be
 // independently updated by folks working on QUIC when new errors are added.
 
 namespace domain_reliability {
 
 // Attempts to convert a QUIC error into the quic_error string
 // that should be recorded in a beacon. Returns true and parse the QUIC error
 // code in |beacon_quic_error_out| if it could.
 // Returns false and clear |beacon_quic_error_out| otherwise.
 bool GetDomainReliabilityBeaconQuicError(net::QuicErrorCode quic_error,
                                          std::string* beacon_quic_error_out);
 
 }  // namespace domain_reliability
 
 #endif  // COMPONENTS_DOMAIN_RELIABILITY_QUIC_ERROR_MAPPING_H_